User Docs: Add page about automatic marking of messages as read

help/C/mail-mark-as-read.page

@@ -0,0 +1,41 @@
+<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its"
+      type="topic" id="mail-mark-as-read">
+
+  <info>
+    <desc>Adjust after which time an opened email will be automatically marked as read.</desc>
+    
+    <link type="guide" xref="index#common-mail-problems" />
+
+    <revision pkgversion="3.5.5" version="0.1" date="2012-08-08" status="review"/>
+    <credit type="author">
+      <name its:translate="no">Andre Klapper</name>
+      <email its:translate="no">ak-47@gmx.net</email>
+    </credit>
+    <license>
+      <p>Creative Commons Share Alike 3.0</p>
+    </license>
+
+</info>
+
+<title>Automatic marking of a message as read</title>
+
+<p>By default opened messages are marked as read after 1.5 seconds.</p>
+
+<section id="mark-seen-timeout">
+<title>Changing the period of time</title>
+<list>
+<item><p>Open the <app>Terminal</app> application.</p></item>
+<item><p>Run the command <cmd>gsettings set org.gnome.evolution.mail mark-seen-timeout 1500</cmd> and replace 1500 (1.5 seconds) by a value that suits you better.</p></item>
+</list>
+</section>
+
+<section id="mark-seen-disable">
+<title>Disabling automatic marking of messages as read completely</title>
+<list>
+<item><p>Open the <app>Terminal</app> application.</p></item>
+<item><p>Run the command <cmd>gsettings set org.gnome.evolution.mail mark-seen false</cmd></p></item>
+</list>
+</section>
+
+<!-- As per https://mail.gnome.org/archives/evolution-list/2012-May/msg00190.html -->
+</page>